| 1 |
On 21/8/22 13:34, Grant Taylor wrote: |
| 2 |
> On 8/20/22 10:22 PM, William Kenworthy wrote: |
| 3 |
> ... |
| 4 |
|
| 5 |
> If that is an Odroid XU4, then I strongly suspect that /dev/sda is |
| 6 |
> passing through a USB interface. So ... I'd take those numbers with a |
| 7 |
> grain of salt. -- If the system is working for you, then by all |
| 8 |
> means more power to you. |
| 9 |
> |
| 10 |
> I found that my Odroid XU4 was /almost/ fast enough to be my daily |
| 11 |
> driver. But the fan would kick in for some things and I didn't care |
| 12 |
> for the noise of the stock fan. I've not yet compared contemporary |
| 13 |
> Raspberry Pi 4 or other comparable systems. |
| 14 |
|
| 15 |
|
| 16 |
Samsung Exynos 5422 is developed on the 28 nm technology node and |
| 17 |
architecture Cortex-A15 / Cortex-A7. Its base clock speed is 1.40 GHz, |
| 18 |
and maximum clock speed in turbo boost - 2.10 GHz. Samsung Exynos 5422 |
| 19 |
contains 8 processing cores. |
| 20 |
|
| 21 |
> Instruction set (ISA) ARMv7-A32 (32 bit) |
| 22 |
> Architecture Cortex-A15 / Cortex-A7 |
| 23 |
> |
| 24 |
> |
| 25 |
> Yes, its an xu4 and as I mentioned, its a USB drive (seagate 4G backup |
| 26 |
> with an SMR inside) - works ok as a backup drive and the data transfer |
| 27 |
> is fast until you fill the cache - then its throughput is best |
| 28 |
> described as "miserable"! The xu4 lists as 32bit and odroid supplies |
| 29 |
> a 32 bit kernel etc - I just used their config as a base when building |
| 30 |
> gentoo onto it - its my build (for 5 xu4 based HC2 systems) and hosts |
| 31 |
> the backup drive. My attaching the hdparm run was an example of its |
| 32 |
> use, and that happened to be the terminal i was using at the time. |
| 33 |
|
| 34 |
BillK |
Archives